Lucas Perez hit his first hat-trick for Arsenal in a convincing 4-1 win over Basel, which sends them through to the Champions League knockout stages as Group A winners.
The Spaniard struck twice early in the first half then immediately after the restart, with Alex Iwobi adding a fourth later in the second period.
Seydou Doumbia netted a consolation for the hosts in the final 15 minutes, but the Gunners never looked likely to lose the game which leaves them top of their group due to PSG’s loss to Ludogorets.
The visitors were outstanding in the opening stages, cutting through Basel with ease to claim an early two-goal lead.